1. Turf Insect Update 2002-2003 David J. Shetlar, Ph.D. The “BugDoc” The Ohio State University, OARDC & OSU Extension Columbus, OH © October, 2002, D.J. Shetlar, all rights reserved

2. Turf Insect Update – 2002-2003  Information resources  Pest activity review  Life after FQPA??!!  Efficacy of New Insecticides

3. http://www.ag.ohio-state.edu/~ohioline/index.html

4. Bulletin L-187 – to be revised by January, 2003

5. Check OSU FactSheets - quarterly

6. http://webgarden.osu.edu/

7. BYGL OnLine – weekly update of Ohio nursery, landscape and turf pests

8. The P.E.S.T. Newsletter available from: Ohio Nursery & Landscape Association 72 Dorchester Square Westerville, OH 43081 614-899-1195 800-825-5062

9. Come visit the BugDoc at: http://bugs.osu.edu

10. Shameless Advertisement! Destructive Turf Insects, 2 nd Edition available from: Lawn and Landscape Media Group 4012 Bridge Avenue Cleveland, OH 44113 800-456-0707 (Lori Skala) Visit: www.lawnandlandscape.com

11. Turfgrass Insect Activity in 2002 White Grubs - generally patchy Billbugs - misdiagnosed again! Chinch Bugs - showed up late! Sod Webworms - real pests?

12. Grub Complex – Changing each year!

13. Masked Chafers – Definitely affected by drought conditions

14. Japanese Beetle – Patchy distribution, mainly quality turf

15. European Chafer & Oriental Beetle – In northern Ohio, but where else? European Chafer Raster Oriental Beetle Raster

16. Green June Beetle – Still common in southern counties

17. Black Turfgrass Ataenius – Still present, but damage covered up by Merit, MACH2 & reduced thatch?

18. Bluegrass Billbug – Still out there! Watch out! Mistaken for drought!

19. Billbug Diagnosis – Use the “tug test”

20. Billbug Damage – Major reason for dead turf in 2001 & 2002. Not sod webworms!

21. Chinch Bugs & Sod Webworms – Patchy damage Sod webworms did not damage lawns!

23. Is There Life After Dursban (and Diazinon) Cancellation? Food Quality Protection Act (FQPA) continues to review insecticides and miticides. Organophosphates and Carbamates are major targets for restriction. Dursban NOT canceled, just restricted from residential use, still available for golf courses. Learn to use alternatives NOW!

24. Ranked Efficacy of White Grub Insecticides 1976 – 2001 a – rateaverange% of tests Insecticidelb.ai./a.% control# tests% controlbelow 70% Halofenozide 1.5 92.8 5710-10010 (=MACH2) Imidacloprid 0.3 93.7 5858-1007 (=Merit) Trichlorfon 8.0 77.6 900-9819 (=Dylox, Proxol) Carbaryl 8.0 74.3 4013-10037 (=Sevin) Diazinon 4.0 69.0 2047-9942 5.5 74.8 4125-10029 Chlorpyrifos 4.0 54.6 320-9659 (=Dursban) a Data from ESA publications (1977-2001) using masked chafer and Japanese beetle data where label timing recommendations were used and at least 4.0 grubs per sq.ft. were found in checks.

25. JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Japanese Beetle Annual Cycle Traditional Control Timing Preventive-Early Curative Timing

27. 2000 Ohio Billbug Preventive Test Treatment% ControlRate 4.36 Diazinon 3.34G 92 0.1 Talstar Fert 0.2G72 0.1 Talstar PL 0.2G 69 0.13 Tempo 0.1G 67 4.0 Diazinon 3.2G 95 appl - 16 May; Wooster, OH; read - 5July; 24.7 larvae/sq.ft. check

28. 2001 Ohio Billbug Preventive Test Treatment% ControlRate 0.2 Talstar 0.147G 64 0.272 Permethrin 0.25G32 0.087 Tempo 0.1G 50 4.0 Diazinon 3.2G 68 0.1 Talstar 0.086G 43 appl - 24 May (late preventive); Wooster, OH; read - 12July; 17.8 larvae/sq.ft. check 0.4 Merit 0.5G86 1.5 MACH2 1.5G 36

30. 2001 Ohio Hairy Chinch Bug Control Treatment Merit 75WP0.39296 900.387Exp NN 830.163Tempo Ultra 980.198Talstar SC 780.481Exp NN 220.20Tempo 20WP Rate % Control appl. 30 Aug., Springboro, OH; 943.5 & 418.6 hcb/sq.ft. checks @ 7, & 14 DAT 7DAT14DAT

32. Turf Caterpillar Controls InsecticideRate % Control# Tests Organophosphates Diazinon5.594.04 Dursban1.098.718 Dylox/Proxol8.087.34 Orthene5.092.34 Carbamates Sevin4.096.85 Turcam2.089.73

33. Turf Caterpillar Controls InsecticideRate % Control# Tests Pyrethroids Astro0.04100.02 DeltaGard0.0894.52 Scimitar0.0296.85 Tempo0.1097.621 Spinosyn Conserve0.390.16

34. Turf Caterpillar Controls InsecticideRate % Control# Tests Chloronicotinoid Merit0.348.57 Molt Accelerator (growth regulator) MACH21.086.57 Nematodes S. carpocapsae1.0 bil89.67 H. bact.0.5 bil67.04